Home / 38,335.38-57,498.21-28,489.02

Finding the Fourth Proportional to 38,335.38, 57,498.21 and 28,489.02

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Solution

The fourth proportional to 38,335.38, 57,498.21 and 28,489.02 is: 42,729.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,335.38 : 57,498.21 = 28,489.02 : x
  2. Step 2: Convert to fraction form
    38,335.38/57,498.21 = 28,489.02/x
  3. Step 3: Cross multiply
    38,335.38x = 57,498.21 × 28,489.02
  4. Step 4: Simplify right side
    38,335.38x = 1,638,067,654.65
  5. Step 5: Solve for x
    x = 1,638,067,654.65/38,335.38
  6. Step 6: Final answer
    x = 42,729.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.